The magnetic field in a plane electromagnetic wave is given by, $B_{y}=2 \times 10^{-7} \sin \left(\pi \times 10^{3} x+3 \pi \times 10^{11} t\right) \;T$ Calculate the wavelength.
The magnetic field in a plane electromagnetic wave is given by, $B_{y}=2 \times 10^{-7} \sin \left(\pi \times 10^{3} x+3 \pi \times 10^{11} t\right) \;T$ Calculate the wavelength.
- [NEET 2020]
- A
$\pi \times 10^{-3} \;m$
- B
$\pi \times 10^{3} \;m$
- C
$2 \times 10^{-3} \;m$
- D
$2 \times 10^{3} \;m$
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